{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950583,-0.310471,0.000000,0.000000,0.173680,-0.531765,0.828891,0.000000,-0.256804,0.786268,0.561992,0.000000,-1639663.989247,5020234.084826,3564234.326593,1],    "boundingVolume": {    "region": [1.886436,0.596742,1.886534,0.596841,0.000000,8.813590]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/8_1395552.b3dm"}}}